Radiation-resistant optical fiber with oxygen-deficient silica glass core

被引：3
|
作者：
Eronyan, Mikhail A. [1 ,2 ]
Devetyarov, Danila R. [1 ]
Reytskii, Alexander A. [1 ]
Meshkovskiy, Igor K. [2 ]
Untilov, Alexander A. [1 ]
Pechenkin, Alexander A. [3 ]
机构：
[1] JSC, Concern Cent Res Inst Elektropribor, 30 Malaya Posadskaya Ul, St Petersburg 197046, Russia
[2] St Petersburg Natl Res Univ Informat Technol Mech, ITMO Univ, 49 Kronverkskiy Pr, St Petersburg 197101, Russia
[3] Natl Res Nucl Univ NRNU MEPhI, 31 Kashirskoe Sh, Moscow 115409, Russia
来源：
MATERIALS LETTERS | 2021年 / 292卷
关键词：
Optical fiber; Gamma-radiation; Radiation resistance; Scattering; Attenuation;
D O I：
10.1016/j.matlet.2021.129628
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Oxygen deficiency in a silica glass core of fluorosilicate optical fiber manufactured by the modified chemical vapor deposition method provides extra high level of its radiation resistance. Gamma-radiation-induced attenuation (RIA) in such a fiber increases with decreasing both the test temperature (from + 25 to minus 60 degrees C) and the wavelength (from 1.55 to 1.31 mu m). After exposure to radiation, RIA completely disappears at the room temperature. At the temperature of minus 60 degrees C, the optical losses restore much worse. RIA increases due to the superposition of Rayleigh scattering and absorption, with the latter decreasing with increasing wavelength. (C) 2021 Elsevier B.V. All rights reserved.
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页数：3
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